横向耦合振动

在此基础上，以一轻型墩特大桥为例设计MTMD，并对采用MTMD控制铁路轻型墩横向车桥耦合振动的效果进行了分析。

Then based on the conclusion , MTMD for a light pier bridge is designed and the control effect of MTMD on the transverse vchide-bridge coupled ( vibration ) is analyzed .

根据汉弥尔顿原理和有限单元法，建立了全井钻柱纵向、横向扭转耦合振动动力学模型。

According to Hamilton 's principle and finite element method , the models for vertical , lateral and torsion coupled vibration of full-hole drilling strings were established .

渡槽槽身采用薄壁梁段单元进行离散，考虑了渡槽槽身开口薄壁结构的横向弯扭耦合振动，约束扭转变形等结构自身特性；

Shell-beam ele - ment model is employed to simulate the aqueduct body , which considers structural characteristics of traversal bending-twisting vibration , restraint twisting deformation of the aqueduct body with open-shell structure .

采用能量法，通过分析横向耦合对振动系统动能的影响，推出了变截细面杆纵振动固有频率的修正公式。

In this paper , the energy method is adopted . By means of analyzing the effect upon the kinetic energy of vibration system caused by cross-coupling , the amended formula for natural frequency of the longitudinal vibration rod with variable cross-section is obtained .

研究内容包括如下几个方面：单个或多个移动质量块作用下Bernoulli-Euler梁的横向振动、弯扭耦合振动和非线性动力学响应，以及Timoshenko梁的横向振动。

Research include following sections : the transverse vibration , bending-torsional coupling vibration and nonlinear dynamic response of Bernoulli-Euler beam carrying single or multiple moving mass ; the transverse vibration of Timoshenko beam carrying single moving mass .